struct Widget {
    virtual void inflate();
}

struct Label : public Widget {
    void inflate();
}

void Label::inflate(){
    std::cout << "Child function called" << std::endl;
}

void Widget::inflate(){
    std::cout << "Parent function called" << std::endl;
}

std::vector<Widget*> widgets = std::vector<Widget*>();
Label1 = Label();
Label2 = Label();
widgets.push_back(Label1);
widgets.push_back(Label2);
int i = 0;
while(i < widgets.size()){
    widgets[i]->inflate();
    i++;
}

Parent function called
Parent function called

#include <iostream>
#include <vector>

struct Widget {
    virtual void inflate();
};

struct Label : public Widget {
    void inflate();
};

void Label::inflate(){
    std::cout << "Child function called" << std::endl;
}

void Widget::inflate(){
    std::cout << "Parent function called" << std::endl;
}

int main()
{
    std::vector<Widget*> widgets = std::vector<Widget*>();
    Label Label1;
    Label Label2;
    widgets.push_back(&Label1);
    widgets.push_back(&Label2);
    int i = 0;
    while(i < widgets.size()){
        widgets[i]->inflate();
        i++;
    }
}